FIELD: information technology.
SUBSTANCE: meter comprises: a current sensor (CS), a squaring device (SD), a multiplier unit (MU), a first and a second aperiodic link (AL), a first and a second reference voltage source (RVS), an analogue adder (AA), an ambient temperature sensor (ATS), a needle indicator (NI), a square-pulse generator (SPG), a microcontroller (MC), a first and a second transceiver, read-only memory (ROM), a computer. The meter may further comprise: an electrical equipment temperature sensor (ETS), a first and a second AA, an analogue-to-digital converter (ADC), a squaring device, first-fifth MU, first-third adder accumulators (AAc), a register, a digital display (DD), a first and a second digital adder (DA), a first and a second subtractor unit (SU), first-fifth code setting units (CSU).
EFFECT: high accuracy of the device.
11 cl, 9 dwg
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